TM 5-3805-281-24-1
Theory of Operation
BOOM CYLINDER CONTROLLED LOAD LOWERING VALVE OPERATION
TUNING CIRCUIT
P3
P3
P2
P2
B
B
P1
P1
A
C
C
A
P1
T
T
P1
9025
DRAIN
05
100
LOWER
D PRESSURE OIL
A PILOT VALVE
B SHUTTLE VALVE
E PILOT OIL
C PRESSURE RELIEF VALVE
F TRAPPED OIL
G RETURN OIL
H BOOM CONTROLLED LOAD LOWERING VALVE
T121033
Continued on next page
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